40325880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:869

約数の個数: 128

約数和(自身を含む): 140705280

約数和(自身を除く): 100379400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 787, 840, 854, 915, 1220, 1281, 1464, 1574, 1708, 1830, 2135, 2361, 2440, 2562, 3148, 3416, 3660, 3935, 4270, 4722, 5124, 5509, 6296, 6405, 7320, 7870, 8540, 9444, 10248, 11018, 11805, 12810, 15740, 16527, 17080, 18888, 22036, 23610, 25620, 27545, 31480, 33054, 44072, 47220, 48007, 51240, 55090, 66108, 82635, 94440, 96014, 110180, 132216, 144021, 165270, 192028, 220360, 240035, 288042, 330540, 336049, 384056, 480070, 576084, 661080, 672098, 720105, 960140, 1008147, 1152168, 1344196, 1440210, 1680245, 1920280, 2016294, 2688392, 2880420, 3360490, 4032588, 5040735, 5760840, 6720980, 8065176, 10081470, 13441960, 20162940, 40325880]

約数ペア:

[(1, 40325880), (2, 20162940), (3, 13441960), (4, 10081470), (5, 8065176), (6, 6720980), (7, 5760840), (8, 5040735), (10, 4032588), (12, 3360490), (14, 2880420), (15, 2688392), (20, 2016294), (21, 1920280), (24, 1680245), (28, 1440210), (30, 1344196), (35, 1152168), (40, 1008147), (42, 960140), (56, 720105), (60, 672098), (61, 661080), (70, 576084), (84, 480070), (105, 384056), (120, 336049), (122, 330540), (140, 288042), (168, 240035), (183, 220360), (210, 192028), (244, 165270), (280, 144021), (305, 132216), (366, 110180), (420, 96014), (427, 94440), (488, 82635), (610, 66108), (732, 55090), (787, 51240), (840, 48007), (854, 47220), (915, 44072), (1220, 33054), (1281, 31480), (1464, 27545), (1574, 25620), (1708, 23610), (1830, 22036), (2135, 18888), (2361, 17080), (2440, 16527), (2562, 15740), (3148, 12810), (3416, 11805), (3660, 11018), (3935, 10248), (4270, 9444), (4722, 8540), (5124, 7870), (5509, 7320), (6296, 6405)]